style: switch to standardjs

9 files changed, 895 insertions, 902 deletions

diff --git a/eslint.config.js b/eslint.config.js
index 7ac6782..3bca729 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -1,16 +1,16 @@
-import globals from "globals";
-import js from "@eslint/js";
-import importPlugin from "eslint-plugin-import";
-import promisePlugin from "eslint-plugin-promise";
-import nodePlugin from "eslint-plugin-node";
-import jsdoc from 'eslint-plugin-jsdoc';
+import globals from 'globals'
+import js from '@eslint/js'
+import importPlugin from 'eslint-plugin-import'
+import promisePlugin from 'eslint-plugin-promise'
+import nodePlugin from 'eslint-plugin-node'
+import jsdoc from 'eslint-plugin-jsdoc'
 
 export default [
   js.configs.recommended,
   {
     languageOptions: {
       ecmaVersion: 2022,
-      sourceType: "module",
+      sourceType: 'module',
       globals: {
         ...globals.browser,
         ...globals.node
@@ -19,31 +19,31 @@ export default [
     plugins: {
       import: importPlugin,
       promise: promisePlugin,
-      node: nodePlugin,
+      node: nodePlugin
     },
     rules: {
       'no-unused-vars': ['warn', {
-        'varsIgnorePattern': '^_',
-        "argsIgnorePattern": "^_",
-        "caughtErrorsIgnorePattern": "^ignore|_",
+        varsIgnorePattern: '^_',
+        argsIgnorePattern: '^_',
+        caughtErrorsIgnorePattern: '^ignore|_'
       }],
       'import/no-unresolved': 'error',
-      'no-console': ["error", { allow: ["info", "warn", "error"] }],
-      'eqeqeq': ['error', 'always'],
+      'no-console': ['error', { allow: ['info', 'warn', 'error'] }],
+      eqeqeq: ['error', 'always'],
       // 'curly': ['warn', 'multi'],
       'prefer-const': 'error',
       'no-var': 'error',
       'array-callback-return': 'error',
-      'no-unexpected-multiline': 'warn',
-    },
+      'no-unexpected-multiline': 'warn'
+    }
   },
   {
     files: ['src/*js'],
     plugins: {
-      jsdoc,
+      jsdoc
     },
     rules: {
       'jsdoc/require-description': 'warn'
     }
-  },
-];
+  }
+]
diff --git a/package.json b/package.json
index 9798d45..918a710 100644
--- a/package.json
+++ b/package.json
@@ -25,26 +25,20 @@
     "build-resources": "cp node_modules/mapclay/assets/default.yml dist; cp node_modules/easymde/dist/easymde.min.js dist; cp node_modules/easymde/dist/easymde.min.css dist/css",
     "server": "live-server --port=8080 --ignore='**/src/**js' --wait=2000 --no-browser --cors",
     "dev": "npm run server",
-    "lint": "npx eslint src",
+    "lint": "npx standard",
     "style": "scripts/stylelint.sh",
     "prepack": "npm run lint && npm run style && npm run build",
     "postpack": "rm -rf dist/css dist/renderers; ln -sf `pwd`/src/css dist; cp node_modules/easymde/dist/easymde.min.css src/css; ln -sf `pwd`/mapclay/dist/renderers dist"
   },
   "devDependencies": {
-    "@eslint/compat": "^1.1.1",
-    "@eslint/js": "^9.11.1",
     "@rollup/plugin-alias": "^5.1.1",
     "@rollup/plugin-commonjs": "^26.0.3",
     "@rollup/plugin-node-resolve": "^15.3.0",
     "@rollup/plugin-terser": "^0.4.4",
-    "eslint": "^9.11.1",
-    "eslint-plugin-import": "^2.30.0",
-    "eslint-plugin-jsdoc": "^50.3.0",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-promise": "^7.1.0",
-    "globals": "^15.9.0",
-    "rollup": "^4.22.5",
+    "globals": "^15.10.0",
+    "rollup": "^4.23.0",
     "rollup-plugin-bundle-stats": "^4.15.1",
+    "standard": "^17.1.2",
     "stylelint": "^16.9.0",
     "stylelint-config-standard": "^36.0.1",
     "stylelint-order": "^6.0.4"
diff --git a/rollup.config.js b/rollup.config.js
index 75db905..cc42bf0 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,70 +1,70 @@
-import node from '@rollup/plugin-node-resolve';
-import commonjs from '@rollup/plugin-commonjs';
-import terser from '@rollup/plugin-terser';
-import { existsSync } from 'fs';
-import { join } from 'path';
-import { bundleStats } from 'rollup-plugin-bundle-stats';
+import node from '@rollup/plugin-node-resolve'
+import commonjs from '@rollup/plugin-commonjs'
+import terser from '@rollup/plugin-terser'
+import { existsSync } from 'fs'
+import { join } from 'path'
+import { bundleStats } from 'rollup-plugin-bundle-stats'
 
-const production = !process.env.ROLLUP_WATCH;
+const production = !process.env.ROLLUP_WATCH
 
 const general = {
   output: [
     {
       dir: './dist',
       format: 'esm',
-      entryFileNames: '[name].mjs',
+      entryFileNames: '[name].mjs'
     }
   ],
   watch: {
     clearScreen: false,
-    include: ["src/**", "mapclay/dist/mapclay.mjs"]
+    include: ['src/**', 'mapclay/dist/mapclay.mjs']
   },
-  context: "window",
+  context: 'window',
   plugins: [
     {
       name: 'watch-mapclay',
-      buildStart() {
-        const mapclayPath = join(process.cwd(), 'mapclay', 'dist', 'mapclay.mjs');
-        console.log('Watching:', mapclayPath);
+      buildStart () {
+        const mapclayPath = join(process.cwd(), 'mapclay', 'dist', 'mapclay.mjs')
+        console.log('Watching:', mapclayPath)
         if (existsSync(mapclayPath)) {
-          this.addWatchFile(mapclayPath);
+          this.addWatchFile(mapclayPath)
         } else {
-          console.log('mapclay.mjs not found at:', mapclayPath);
+          console.log('mapclay.mjs not found at:', mapclayPath)
         }
       }
     },
     {
       name: 'leader-line',
-      transform(code, id) {
+      transform (code, id) {
         if (id.includes('node_modules/leader-line/')) {
-          return `${code}\nexport default LeaderLine;`;
+          return `${code}\nexport default LeaderLine;`
         }
-        return null;
-      },
+        return null
+      }
     },
     {
       name: 'mapclay',
-      resolveId(source) {
+      resolveId (source) {
         if (source === 'mapclay' && existsSync(join('.', 'mapclay'))) {
-          return './mapclay/dist/mapclay.mjs';
+          return './mapclay/dist/mapclay.mjs'
         }
-        return null;
+        return null
       }
     },
     node(),
     commonjs(),
     production && terser(),
-    // bundleStats(),
-  ],
+    production && bundleStats()
+  ]
 }
 
 export default [
   {
-    input: "src/editor.mjs",
+    input: 'src/editor.mjs'
   },
   {
-    input: "src/dumbymap.mjs",
-  },
+    input: 'src/dumbymap.mjs'
+  }
 ]
   .map(config => ({ ...general, ...config }))
   .filter((config) => production || config.input.match(/editor/))
diff --git a/src/Layout.mjs b/src/Layout.mjs
index 3a835c9..89a48ae 100644
--- a/src/Layout.mjs
+++ b/src/Layout.mjs
@@ -1,208 +1,209 @@
-import PlainDraggable from 'plain-draggable';
-import { onRemove, animateRectTransition } from './utils';
+import PlainDraggable from 'plain-draggable'
+import { onRemove, animateRectTransition } from './utils'
 
 export class Layout {
-  constructor(options = {}) {
-    if (!options.name) throw Error('Layout name is not given');
-    this.name = options.name;
-    this.enterHandler = options.enterHandler;
-    this.leaveHandler = options.leaveHandler;
+  constructor (options = {}) {
+    if (!options.name) throw Error('Layout name is not given')
+    this.name = options.name
+    this.enterHandler = options.enterHandler
+    this.leaveHandler = options.leaveHandler
   }
-  valueOf = () => this.name;
+
+  valueOf = () => this.name
 }
 
 export class SideBySide extends Layout {
-  name = 'side-by-side';
+  name = 'side-by-side'
 
   enterHandler = ({ container, htmlHolder, showcase }) => {
-    const bar = document.createElement('div');
-    bar.className = 'bar';
-    bar.innerHTML = '<div class="bar-handle"></div>';
-    const handle = bar.querySelector('.bar-handle');
-    container.appendChild(bar);
+    const bar = document.createElement('div')
+    bar.className = 'bar'
+    bar.innerHTML = '<div class="bar-handle"></div>'
+    const handle = bar.querySelector('.bar-handle')
+    container.appendChild(bar)
 
     // Resize views by value
     const resizeByLeft = left => {
-      htmlHolder.style.width = left + 'px';
+      htmlHolder.style.width = left + 'px'
       showcase.style.width =
-        parseFloat(getComputedStyle(container).width) - left + 'px';
-    };
+        parseFloat(window.getComputedStyle(container).width) - left + 'px'
+    }
 
     const draggable = new PlainDraggable(bar, {
-      handle: handle,
-      containment: { left: '25%', top: 0, right: '75%', height: 0 },
-    });
-    draggable.draggableCursor = 'grab';
+      handle,
+      containment: { left: '25%', top: 0, right: '75%', height: 0 }
+    })
+    draggable.draggableCursor = 'grab'
 
     draggable.onDrag = pos => {
-      handle.style.transform = 'unset';
-      resizeByLeft(pos.left);
-    };
+      handle.style.transform = 'unset'
+      resizeByLeft(pos.left)
+    }
     draggable.onDragEnd = _ => {
-      handle.removeAttribute('style');
-    };
+      handle.removeAttribute('style')
+    }
 
-    onRemove(bar, () => draggable.remove());
-  };
+    onRemove(bar, () => draggable.remove())
+  }
 
   leaveHandler = ({ container }) => {
-    container.querySelector('.bar')?.remove();
-  };
+    container.querySelector('.bar')?.remove()
+  }
 }
 
 export class Overlay extends Layout {
-  name = 'overlay';
+  name = 'overlay'
 
   saveLeftTopAsData = element => {
-    const { left, top } = element.getBoundingClientRect();
-    element.setAttribute('data-left', left);
-    element.setAttribute('data-top', top);
-  };
+    const { left, top } = element.getBoundingClientRect()
+    element.setAttribute('data-left', left)
+    element.setAttribute('data-top', top)
+  }
 
   addDraggable = element => {
     // Make sure current element always on top
     const siblings = Array.from(
-      element.parentElement?.querySelectorAll(':scope > *') ?? [],
-    );
-    let popTimer = null;
+      element.parentElement?.querySelectorAll(':scope > *') ?? []
+    )
+    let popTimer = null
     element.onmouseover = () => {
       popTimer = setTimeout(() => {
-        siblings.forEach(e => e.style.removeProperty('z-index'));
-        element.style.zIndex = '9001';
-      }, 200);
-    };
+        siblings.forEach(e => e.style.removeProperty('z-index'))
+        element.style.zIndex = '9001'
+      }, 200)
+    }
     element.onmouseout = () => {
-      clearTimeout(popTimer);
-    };
+      clearTimeout(popTimer)
+    }
 
     // Add draggable part
-    const draggablePart = document.createElement('div');
-    element.appendChild(draggablePart);
-    draggablePart.className = 'draggable-part';
-    draggablePart.innerHTML = '<div class="handle">\u2630</div>';
+    const draggablePart = document.createElement('div')
+    element.appendChild(draggablePart)
+    draggablePart.className = 'draggable-part'
+    draggablePart.innerHTML = '<div class="handle">\u2630</div>'
 
     // Add draggable instance
-    const { left, top } = element.getBoundingClientRect();
+    const { left, top } = element.getBoundingClientRect()
     const draggable = new PlainDraggable(element, {
-      top: top,
-      left: left,
+      top,
+      left,
       handle: draggablePart,
-      snap: { x: { step: 20 }, y: { step: 20 } },
-    });
+      snap: { x: { step: 20 }, y: { step: 20 } }
+    })
 
     // FIXME use pure CSS to hide utils
-    const utils = element.querySelector('.utils');
+    const utils = element.querySelector('.utils')
     draggable.onDragStart = () => {
-      utils.style.display = 'none';
-      element.classList.add('drag');
-    };
+      utils.style.display = 'none'
+      element.classList.add('drag')
+    }
 
     draggable.onDragEnd = () => {
-      utils.style = '';
-      element.classList.remove('drag');
-      element.style.zIndex = '9000';
-    };
+      utils.style = ''
+      element.classList.remove('drag')
+      element.style.zIndex = '9000'
+    }
 
     // Reposition draggable instance when resized
-    new ResizeObserver(() => {
+    new window.ResizeObserver(() => {
       try {
-        draggable.position();
-      } catch (_) {
-        null;
+        draggable.position()
+      } catch (err) {
+        console.warn(err)
       }
-    }).observe(element);
+    }).observe(element)
 
     // Callback for remove
     onRemove(element, () => {
-      draggable.remove();
-    });
-  };
+      draggable.remove()
+    })
+  }
 
   enterHandler = ({ htmlHolder, blocks }) => {
     // FIXME It is weird rect from this method and this scope are different...
-    blocks.forEach(this.saveLeftTopAsData);
+    blocks.forEach(this.saveLeftTopAsData)
 
     // Create draggable blocks and set each position by previous one
-    let [left, top] = [20, 20];
+    let [left, top] = [20, 20]
     blocks.forEach(block => {
-      const originLeft = Number(block.getAttribute('data-left'));
-      const originTop = Number(block.getAttribute('data-top'));
+      const originLeft = Number(block.getAttribute('data-left'))
+      const originTop = Number(block.getAttribute('data-top'))
 
       // Create draggable block
-      const wrapper = document.createElement('div');
-      wrapper.classList.add('draggable-block');
+      const wrapper = document.createElement('div')
+      wrapper.classList.add('draggable-block')
       wrapper.innerHTML = `
         <div class="utils">
           <div id="close">\u274C</div>
           <div id="plus-font-size" ">\u2795</div>
           <div id="minus-font-size">\u2796</div>
         </div>
-      `;
-      wrapper.title = 'Middle-click to hide block';
+      `
+      wrapper.title = 'Middle-click to hide block'
       wrapper.onmouseup = e => {
         // Hide block with middle click
         if (e.button === 1) {
-          wrapper.classList.add('hide');
+          wrapper.classList.add('hide')
         }
-      };
+      }
 
       // Set DOMRect for wrapper
-      wrapper.appendChild(block);
-      wrapper.style.left = left + 'px';
-      wrapper.style.top = top + 'px';
-      htmlHolder.appendChild(wrapper);
-      const { width } = wrapper.getBoundingClientRect();
-      left += width + 30;
+      wrapper.appendChild(block)
+      wrapper.style.left = left + 'px'
+      wrapper.style.top = top + 'px'
+      htmlHolder.appendChild(wrapper)
+      const { width } = wrapper.getBoundingClientRect()
+      left += width + 30
       if (left > window.innerWidth) {
-        top += 200;
-        left = left % window.innerWidth;
+        top += 200
+        left = left % window.innerWidth
       }
 
       // Animation for DOMRect
       animateRectTransition(
         wrapper,
         { left: originLeft, top: originTop },
-        { resume: true, duration: 300 },
-      ).finished.finally(() => this.addDraggable(wrapper));
+        { resume: true, duration: 300 }
+      ).finished.finally(() => this.addDraggable(wrapper))
 
       // Trivial case:
       // This hack make sure utils remains at the same place even when wrapper resized
       // Prevent DOMRect changes when user clicking plus/minus button many times
-      const utils = wrapper.querySelector('.utils');
+      const utils = wrapper.querySelector('.utils')
       utils.onmouseover = () => {
-        const { left, top } = utils.getBoundingClientRect();
-        utils.style.cssText = `visibility: visible; z-index: 9000; position: fixed; transition: unset; left: ${left}px; top: ${top}px;`;
-        document.body.appendChild(utils);
-      };
+        const { left, top } = utils.getBoundingClientRect()
+        utils.style.cssText = `visibility: visible; z-index: 9000; position: fixed; transition: unset; left: ${left}px; top: ${top}px;`
+        document.body.appendChild(utils)
+      }
       utils.onmouseout = () => {
-        wrapper.appendChild(utils);
-        utils.removeAttribute('style');
-      };
+        wrapper.appendChild(utils)
+        utils.removeAttribute('style')
+      }
 
       // Close button
       wrapper.querySelector('#close').onclick = () => {
-        wrapper.classList.add('hide');
-        utils.removeAttribute('style');
-      };
+        wrapper.classList.add('hide')
+        utils.removeAttribute('style')
+      }
       // Plus/Minus font-size of content
       wrapper.querySelector('#plus-font-size').onclick = () => {
-        const fontSize = parseFloat(getComputedStyle(block).fontSize) / 16;
-        block.style.fontSize = `${fontSize + 0.2}rem`;
-      };
+        const fontSize = parseFloat(window.getComputedStyle(block).fontSize) / 16
+        block.style.fontSize = `${fontSize + 0.2}rem`
+      }
       wrapper.querySelector('#minus-font-size').onclick = () => {
-        const fontSize = parseFloat(getComputedStyle(block).fontSize) / 16;
-        block.style.fontSize = `${fontSize - 0.2}rem`;
-      };
-    });
-  };
+        const fontSize = parseFloat(window.getComputedStyle(block).fontSize) / 16
+        block.style.fontSize = `${fontSize - 0.2}rem`
+      }
+    })
+  }
 
   leaveHandler = ({ htmlHolder, blocks }) => {
     const resumeFromDraggable = block => {
-      const draggableContainer = block.closest('.draggable-block');
-      if (!draggableContainer) return;
-      htmlHolder.appendChild(block);
-      draggableContainer.remove();
-    };
-    blocks.forEach(resumeFromDraggable);
-  };
+      const draggableContainer = block.closest('.draggable-block')
+      if (!draggableContainer) return
+      htmlHolder.appendChild(block)
+      draggableContainer.remove()
+    }
+    blocks.forEach(resumeFromDraggable)
+  }
 }
diff --git a/src/MenuItem.mjs b/src/MenuItem.mjs
index 2bf54c2..e1cb582 100644
--- a/src/MenuItem.mjs
+++ b/src/MenuItem.mjs
@@ -1,44 +1,44 @@
-class Item extends HTMLDivElement {
-  constructor({ text, innerHTML, onclick, style }) {
-    super();
-    this.innerHTML = innerHTML ?? text;
-    this.onclick = onclick;
-    this.classList.add('menu-item');
-    this.style.cssText = style;
+class Item extends window.HTMLDivElement {
+  constructor ({ text, innerHTML, onclick, style }) {
+    super()
+    this.innerHTML = innerHTML ?? text
+    this.onclick = onclick
+    this.classList.add('menu-item')
+    this.style.cssText = style
 
     this.onmouseover = () => {
       this.parentElement
         .querySelectorAll('.sub-menu')
-        .forEach(sub => sub.remove());
+        .forEach(sub => sub.remove())
     }
   }
 }
-window.customElements.define('menu-item', Item, { extends: 'div' });
+window.customElements.define('menu-item', Item, { extends: 'div' })
 
-class Folder extends HTMLDivElement {
-  constructor({ text, innerHTML, items }) {
-    super();
-    this.innerHTML = innerHTML ?? text;
-    this.classList.add('folder', 'menu-item');
-    this.items = items;
+class Folder extends window.HTMLDivElement {
+  constructor ({ text, innerHTML, items }) {
+    super()
+    this.innerHTML = innerHTML ?? text
+    this.classList.add('folder', 'menu-item')
+    this.items = items
     this.onmouseover = () => {
-      if (this.querySelector('.sub-menu')) return;
+      if (this.querySelector('.sub-menu')) return
       // Prepare submenu
-      const submenu = document.createElement('div');
-      submenu.className = 'sub-menu';
-      submenu.style.cssText = `position: absolute; left: 105%; top: 0px;`;
-      this.items.forEach(item => submenu.appendChild(item));
+      const submenu = document.createElement('div')
+      submenu.className = 'sub-menu'
+      submenu.style.cssText = 'position: absolute; left: 105%; top: 0px;'
+      this.items.forEach(item => submenu.appendChild(item))
       submenu.onmouseleave = () => submenu.remove()
 
       // hover effect
       this.parentElement
         .querySelectorAll('.sub-menu')
-        .forEach(sub => sub.remove());
-      this.appendChild(submenu);
-    };
+        .forEach(sub => sub.remove())
+      this.appendChild(submenu)
+    }
   }
 }
-window.customElements.define('menu-folder', Folder, { extends: 'div' });
+window.customElements.define('menu-folder', Folder, { extends: 'div' })
 
 export const pickMapItem = ({ utils }) =>
   new Folder({
@@ -48,12 +48,12 @@ export const pickMapItem = ({ utils }) =>
         new Item({
           text: map.id,
           onclick: () => {
-            map.classList.add('focus');
-            map.scrollIntoView({ behavior: 'smooth' });
-          },
-        }),
-    ),
-  });
+            map.classList.add('focus')
+            map.scrollIntoView({ behavior: 'smooth' })
+          }
+        })
+    )
+  })
 
 export const pickBlockItem = ({ blocks, utils }) =>
   new Folder({
@@ -68,12 +68,12 @@ export const pickBlockItem = ({ blocks, utils }) =>
               ?.textContent.substring(0, 15)
               .concat(' ...'),
           onclick: () => {
-            block.classList.add('focus');
-            utils.scrollToBlock(block);
-          },
-        }),
-    ),
-  });
+            block.classList.add('focus')
+            utils.scrollToBlock(block)
+          }
+        })
+    )
+  })
 
 export const pickLayoutItem = ({ container, layouts }) =>
   new Folder({
@@ -82,78 +82,78 @@ export const pickLayoutItem = ({ container, layouts }) =>
       new Item({
         text: 'EDIT',
         onclick: () =>
-          container.closest('[data-mode]').setAttribute('data-mode', 'editing'),
+          container.closest('[data-mode]').setAttribute('data-mode', 'editing')
       }),
       ...layouts.map(
         layout =>
           new Item({
             text: layout.name,
-            onclick: () => container.setAttribute('data-layout', layout.name),
-          }),
+            onclick: () => container.setAttribute('data-layout', layout.name)
+          })
       ),
       new Item({
         innerHTML: '<a href="https://github.com/outdoorsafetylab/dumbymap#layouts" class="external" style="display: block; padding: 0.5rem;">More...</a>',
         style: 'padding: 0;'
-      }),
-    ],
-  });
+      })
+    ]
+  })
 
 export const addGeoLink = ({ utils }, range) =>
   new Item({
     text: 'Add GeoLink',
     onclick: () => {
-      const content = range.toString();
+      const content = range.toString()
       // FIXME Apply geolink only on matching sub-range
-      const match = content.match(/(^\D*[\d.]+)\D+([\d.]+)\D*$/);
-      if (!match) return false;
+      const match = content.match(/(^\D*[\d.]+)\D+([\d.]+)\D*$/)
+      if (!match) return false
 
-      const [x, y] = match.slice(1);
-      const anchor = document.createElement('a');
-      anchor.textContent = content;
+      const [x, y] = match.slice(1)
+      const anchor = document.createElement('a')
+      anchor.textContent = content
       // FIXME apply WGS84
-      anchor.href = `geo:${y},${x}?xy=${x},${y}`;
+      anchor.href = `geo:${y},${x}?xy=${x},${y}`
 
       // FIXME
       if (utils.createGeoLink(anchor)) {
-        range.deleteContents();
-        range.insertNode(anchor);
+        range.deleteContents()
+        range.insertNode(anchor)
       }
-    },
-  });
+    }
+  })
 
 export class Suggestion {
-  constructor({ text, replace }) {
-    this.text = text;
-    this.replace = replace;
+  constructor ({ text, replace }) {
+    this.text = text
+    this.replace = replace
   }
 
-  createElement(codemirror) {
-    const option = document.createElement('div');
+  createElement (codemirror) {
+    const option = document.createElement('div')
     if (this.text.startsWith('<')) {
-      option.innerHTML = this.text;
+      option.innerHTML = this.text
     } else {
-      option.innerText = this.text;
+      option.innerText = this.text
     }
-    option.classList.add('container__suggestion');
+    option.classList.add('container__suggestion')
     option.onmouseover = () => {
       Array.from(option.parentElement?.children)?.forEach(s =>
-        s.classList.remove('focus'),
-      );
-      option.classList.add('focus');
-    };
+        s.classList.remove('focus')
+      )
+      option.classList.add('focus')
+    }
     option.onmouseout = () => {
-      option.classList.remove('focus');
-    };
+      option.classList.remove('focus')
+    }
     option.onclick = () => {
-      const anchor = codemirror.getCursor();
-      codemirror.setSelection(anchor, { ...anchor, ch: 0 });
-      codemirror.replaceSelection(this.replace);
-      codemirror.focus();
-      const newAnchor = { ...anchor, ch: this.replace.length };
-      codemirror.setCursor(newAnchor);
-    };
+      const anchor = codemirror.getCursor()
+      codemirror.setSelection(anchor, { ...anchor, ch: 0 })
+      codemirror.replaceSelection(this.replace)
+      codemirror.focus()
+      const newAnchor = { ...anchor, ch: this.replace.length }
+      codemirror.setCursor(newAnchor)
+    }
 
-    return option;
+    return option
   }
 }
 
@@ -161,100 +161,100 @@ export const renderResults = ({ modal, modalContent }, map) =>
   new Item({
     text: 'Render Results',
     onclick: () => {
-      modal.open();
-      modal.overlayBlur = 3;
-      modal.closeByEscKey = false;
+      modal.open()
+      modal.overlayBlur = 3
+      modal.closeByEscKey = false
       // HACK find another way to override inline style
       document.querySelector('.plainmodal-overlay-force').style.position =
-        'relative';
+        'relative'
 
-      modalContent.innerHTML = '';
+      modalContent.innerHTML = ''
       const sourceCode = document.createElement('div')
       sourceCode.innerHTML = `<a href="${map.renderer.url ?? map.renderer.use}">Source Code</a>`
       modalContent.appendChild(sourceCode)
       const printDetails = result => {
-        const funcBody = result.func.toString();
-        const loc = funcBody.split('\n').length;
+        const funcBody = result.func.toString()
+        const loc = funcBody.split('\n').length
         const color =
           {
             success: 'green',
             fail: 'red',
             skip: 'black',
-            stop: 'yellow',
-          }[result.state] ?? 'black';
+            stop: 'yellow'
+          }[result.state] ?? 'black'
         printObject(
           result,
           modalContent,
-          `${result.func.name} <span style='float: right;'>${loc}LOC\x20\x20\x20<span style='display: inline-block; width: 100px; color: ${color};'>${result.state}</span></span>`,
-        );
-      };
+          `${result.func.name} <span style='float: right;'>${loc}LOC\x20\x20\x20<span style='display: inline-block; width: 100px; color: ${color};'>${result.state}</span></span>`
+        )
+      }
 
       // Add contents about prepare steps
-      const prepareHeading = document.createElement('h3');
-      prepareHeading.textContent = 'Prepare Steps';
-      modalContent.appendChild(prepareHeading);
+      const prepareHeading = document.createElement('h3')
+      prepareHeading.textContent = 'Prepare Steps'
+      modalContent.appendChild(prepareHeading)
       const prepareSteps = map.renderer.results.filter(
-        r => r.type === 'prepare',
-      );
-      prepareSteps.forEach(printDetails);
+        r => r.type === 'prepare'
+      )
+      prepareSteps.forEach(printDetails)
 
       // Add contents about render steps
-      const renderHeading = document.createElement('h3');
-      renderHeading.textContent = 'Render Steps';
-      modalContent.appendChild(renderHeading);
-      const renderSteps = map.renderer.results.filter(r => r.type === 'render');
-      renderSteps.forEach(printDetails);
-    },
-  });
+      const renderHeading = document.createElement('h3')
+      renderHeading.textContent = 'Render Steps'
+      modalContent.appendChild(renderHeading)
+      const renderSteps = map.renderer.results.filter(r => r.type === 'render')
+      renderSteps.forEach(printDetails)
+    }
+  })
 
-function printObject(obj, parentElement, name = null) {
+function printObject (obj, parentElement, name = null) {
   // Create <details> and <summary> inside
-  const detailsEle = document.createElement('details');
-  const details = name ?? (obj instanceof Error ? obj.name : Object.values(obj)[0]);
-  detailsEle.innerHTML = `<summary>${details}</summary>`;
-  parentElement.appendChild(detailsEle);
+  const detailsEle = document.createElement('details')
+  const details = name ?? (obj instanceof Error ? obj.name : Object.values(obj)[0])
+  detailsEle.innerHTML = `<summary>${details}</summary>`
+  parentElement.appendChild(detailsEle)
 
   detailsEle.onclick = () => {
     // Don't add items if it has contents
-    if (detailsEle.querySelector(':scope > :not(summary)')) return;
+    if (detailsEle.querySelector(':scope > :not(summary)')) return
 
     if (obj instanceof Error) {
       // Handle Error objects specially
-      const errorProps = ['name', 'message', 'stack', ...Object.keys(obj)];
+      const errorProps = ['name', 'message', 'stack', ...Object.keys(obj)]
       errorProps.forEach(key => {
-        const value = obj[key];
-        const valueString = key === 'stack' ? `<pre>${value}</pre>` : value;
-        const propertyElement = document.createElement('p');
-        propertyElement.innerHTML = `<strong>${key}</strong>: ${valueString}`;
-        detailsEle.appendChild(propertyElement);
-      });
+        const value = obj[key]
+        const valueString = key === 'stack' ? `<pre>${value}</pre>` : value
+        const propertyElement = document.createElement('p')
+        propertyElement.innerHTML = `<strong>${key}</strong>: ${valueString}`
+        detailsEle.appendChild(propertyElement)
+      })
     } else {
       // Handle regular objects
       Object.entries(obj).forEach(([key, value]) => {
         if (typeof value === 'object' && value !== null) {
-          printObject(value, detailsEle, key);
+          printObject(value, detailsEle, key)
         } else {
           const valueString =
             typeof value === 'function'
               ? `<pre>${value}</pre>`
-              : value ?? typeof value;
-          const propertyElement = document.createElement('p');
-          propertyElement.innerHTML = `<strong>${key}</strong>: ${valueString}`;
-          detailsEle.appendChild(propertyElement);
+              : value ?? typeof value
+          const propertyElement = document.createElement('p')
+          propertyElement.innerHTML = `<strong>${key}</strong>: ${valueString}`
+          detailsEle.appendChild(propertyElement)
         }
-      });
+      })
     }
-  };
+  }
 }
 
 export const toggleBlockFocus = block =>
   new Item({
     text: 'Toggle Focus',
-    onclick: () => block.classList.toggle('focus'),
-  });
+    onclick: () => block.classList.toggle('focus')
+  })
 
 export const toggleMapFocus = map =>
   new Item({
     text: 'Toggle Focus',
-    onclick: () => map.classList.toggle('focus'),
-  });
+    onclick: () => map.classList.toggle('focus')
+  })
diff --git a/src/dumbyUtils.mjs b/src/dumbyUtils.mjs
index 2a9b787..7bf26c8 100644
--- a/src/dumbyUtils.mjs
+++ b/src/dumbyUtils.mjs
@@ -1,62 +1,62 @@
-import LeaderLine from 'leader-line';
+import LeaderLine from 'leader-line'
 
-export function focusNextMap(reverse = false) {
-  const renderedList = this.utils.renderedMaps();
-  const index = renderedList.findIndex(e => e.classList.contains('focus'));
+export function focusNextMap (reverse = false) {
+  const renderedList = this.utils.renderedMaps()
+  const index = renderedList.findIndex(e => e.classList.contains('focus'))
   const nextIndex =
-    index === -1 ? 0 : (index + (reverse ? -1 : 1)) % renderedList.length;
+    index === -1 ? 0 : (index + (reverse ? -1 : 1)) % renderedList.length
 
-  const nextMap = renderedList.at(nextIndex);
-  nextMap.classList.add('focus');
+  const nextMap = renderedList.at(nextIndex)
+  nextMap.classList.add('focus')
 }
 
-export function focusNextBlock(reverse = false) {
+export function focusNextBlock (reverse = false) {
   const blocks = this.blocks.filter(b =>
     b.checkVisibility({
       contentVisibilityAuto: true,
       opacityProperty: true,
-      visibilityProperty: true,
-    }),
-  );
-  const index = blocks.findIndex(e => e.classList.contains('focus'));
+      visibilityProperty: true
+    })
+  )
+  const index = blocks.findIndex(e => e.classList.contains('focus'))
   const nextIndex =
-    index === -1 ? 0 : (index + (reverse ? -1 : 1)) % blocks.length;
+    index === -1 ? 0 : (index + (reverse ? -1 : 1)) % blocks.length
 
-  blocks.forEach(b => b.classList.remove('focus'));
-  const nextBlock = blocks.at(nextIndex);
-  nextBlock?.classList?.add('focus');
-  scrollToBlock(nextBlock);
+  blocks.forEach(b => b.classList.remove('focus'))
+  const nextBlock = blocks.at(nextIndex)
+  nextBlock?.classList?.add('focus')
+  scrollToBlock(nextBlock)
 }
 
 // Consider block is bigger then viewport height
 export const scrollToBlock = block => {
-  const parentRect = block.parentElement.getBoundingClientRect();
+  const parentRect = block.parentElement.getBoundingClientRect()
   const scrollBlock =
     block.getBoundingClientRect().height > parentRect.height * 0.8
       ? 'nearest'
-      : 'center';
-  block.scrollIntoView({ behavior: 'smooth', block: scrollBlock });
-};
+      : 'center'
+  block.scrollIntoView({ behavior: 'smooth', block: scrollBlock })
+}
 
-export function focusDelay() {
-  return window.getComputedStyle(this.showcase).display === 'none' ? 50 : 300;
+export function focusDelay () {
+  return window.window.getComputedStyle(this.showcase).display === 'none' ? 50 : 300
 }
 
-export function switchToNextLayout(reverse = false) {
-  const layouts = this.layouts;
-  const currentLayoutName = this.container.getAttribute('data-layout');
-  const currentIndex = layouts.map(l => l.name).indexOf(currentLayoutName);
-  const padding = reverse ? -1 : 1;
+export function switchToNextLayout (reverse = false) {
+  const layouts = this.layouts
+  const currentLayoutName = this.container.getAttribute('data-layout')
+  const currentIndex = layouts.map(l => l.name).indexOf(currentLayoutName)
+  const padding = reverse ? -1 : 1
   const nextIndex =
     currentIndex === -1
       ? 0
-      : (currentIndex + padding + layouts.length) % layouts.length;
-  const nextLayout = layouts[nextIndex];
-  this.container.setAttribute('data-layout', nextLayout.name);
+      : (currentIndex + padding + layouts.length) % layouts.length
+  const nextLayout = layouts[nextIndex]
+  this.container.setAttribute('data-layout', nextLayout.name)
 }
 
-export function removeBlockFocus() {
-  this.blocks.forEach(b => b.classList.remove('focus'));
+export function removeBlockFocus () {
+  this.blocks.forEach(b => b.classList.remove('focus'))
 }
 
 /**
@@ -66,31 +66,31 @@ export function removeBlockFocus() {
  * @returns {Boolean} ture is link is created, false if coordinates are invalid
  */
 export const createGeoLink = (link, callback = null) => {
-  const url = new URL(link.href);
-  const xyInParams = url.searchParams.get('xy');
+  const url = new URL(link.href)
+  const xyInParams = url.searchParams.get('xy')
   const xy = xyInParams
     ? xyInParams.split(',')?.map(Number)
     : url?.href
-        ?.match(/^geo:([0-9.,]+)/)
-        ?.at(1)
-        ?.split(',')
-        ?.reverse()
-        ?.map(Number);
+      ?.match(/^geo:([0-9.,]+)/)
+      ?.at(1)
+      ?.split(',')
+      ?.reverse()
+      ?.map(Number)
 
-  if (!xy || isNaN(xy[0]) || isNaN(xy[1])) return false;
+  if (!xy || isNaN(xy[0]) || isNaN(xy[1])) return false
 
   // Geo information in link
-  link.url = url;
-  link.xy = xy;
-  link.classList.add('with-leader-line', 'geolink');
-  link.targets = link.url.searchParams.get('id')?.split(',') ?? null;
+  link.url = url
+  link.xy = xy
+  link.classList.add('with-leader-line', 'geolink')
+  link.targets = link.url.searchParams.get('id')?.split(',') ?? null
 
   // LeaderLine
-  link.lines = [];
-  callback?.call(this, link);
+  link.lines = []
+  callback?.call(this, link)
 
-  return true;
-};
+  return true
+}
 
 /**
  * CreateDocLink.
@@ -98,30 +98,30 @@ export const createGeoLink = (link, callback = null) => {
  * @param {HTMLElement} Elements contains anchor elements for doclinks
  */
 export const createDocLink = link => {
-  link.classList.add('with-leader-line', 'doclink');
-  link.lines = [];
+  link.classList.add('with-leader-line', 'doclink')
+  link.lines = []
 
   link.onmouseover = () => {
-    const label = decodeURIComponent(link.href.split('#')[1]);
-    const selector = link.title.split('=>')[1] ?? '#' + label;
-    const target = document.querySelector(selector);
-    if (!target?.checkVisibility()) return;
+    const label = decodeURIComponent(link.href.split('#')[1])
+    const selector = link.title.split('=>')[1] ?? '#' + label
+    const target = document.querySelector(selector)
+    if (!target?.checkVisibility()) return
 
     const line = new LeaderLine({
       start: link,
       end: target,
       middleLabel: LeaderLine.pathLabel({
         text: label,
-        fontWeight: 'bold',
+        fontWeight: 'bold'
       }),
       hide: true,
-      path: 'magnet',
-    });
-    link.lines.push(line);
-    line.show('draw', { duration: 300 });
-  };
+      path: 'magnet'
+    })
+    link.lines.push(line)
+    line.show('draw', { duration: 300 })
+  }
   link.onmouseout = () => {
-    link.lines.forEach(line => line.remove());
-    link.lines.length = 0;
-  };
-};
+    link.lines.forEach(line => line.remove())
+    link.lines.length = 0
+  }
+}
diff --git a/src/dumbymap.mjs b/src/dumbymap.mjs
index 2efc350..fa88f3a 100644
--- a/src/dumbymap.mjs
+++ b/src/dumbymap.mjs
@@ -1,53 +1,53 @@
-import MarkdownIt from 'markdown-it';
-import MarkdownItAnchor from 'markdown-it-anchor';
-import MarkdownItFootnote from 'markdown-it-footnote';
-import MarkdownItFrontMatter from 'markdown-it-front-matter';
-import MarkdownItTocDoneRight from 'markdown-it-toc-done-right';
-import LeaderLine from 'leader-line';
-import { renderWith, defaultAliases, parseConfigsFromYaml } from 'mapclay';
-import { onRemove, animateRectTransition, throttle } from './utils';
-import { Layout, SideBySide, Overlay } from './Layout';
-import * as utils from './dumbyUtils';
-import * as menuItem from './MenuItem';
-import { default as PlainModal } from 'plain-modal';
-
-const docLinkSelector = 'a[href^="#"][title^="=>"]';
-const geoLinkSelector = 'a[href^="geo:"]';
+import MarkdownIt from 'markdown-it'
+import MarkdownItAnchor from 'markdown-it-anchor'
+import MarkdownItFootnote from 'markdown-it-footnote'
+import MarkdownItFrontMatter from 'markdown-it-front-matter'
+import MarkdownItTocDoneRight from 'markdown-it-toc-done-right'
+import LeaderLine from 'leader-line'
+import { renderWith, defaultAliases, parseConfigsFromYaml } from 'mapclay'
+import { onRemove, animateRectTransition, throttle } from './utils'
+import { Layout, SideBySide, Overlay } from './Layout'
+import * as utils from './dumbyUtils'
+import * as menuItem from './MenuItem'
+import PlainModal from 'plain-modal'
+
+const docLinkSelector = 'a[href^="#"][title^="=>"]'
+const geoLinkSelector = 'a[href^="geo:"]'
 
 const layouts = [
   new Layout({ name: 'normal' }),
   new SideBySide({ name: 'side-by-side' }),
-  new Overlay({ name: 'overlay' }),
-];
-const mapCache = {};
+  new Overlay({ name: 'overlay' })
+]
+const mapCache = {}
 
 export const markdown2HTML = (container, mdContent) => {
   // Render: Markdown -> HTML {{{
-  container.replaceChildren();
+  container.replaceChildren()
 
-  container.innerHTML = '<div class="SemanticHtml"></div>';
-  const htmlHolder = container.querySelector('.SemanticHtml');
+  container.innerHTML = '<div class="SemanticHtml"></div>'
+  const htmlHolder = container.querySelector('.SemanticHtml')
 
   const md = MarkdownIt({
     html: true,
-    breaks: true,
+    breaks: true
   })
     .use(MarkdownItAnchor, {
       permalink: MarkdownItAnchor.permalink.linkInsideHeader({
-        placement: 'before',
-      }),
+        placement: 'before'
+      })
     })
     .use(MarkdownItFootnote)
     .use(MarkdownItFrontMatter)
-    .use(MarkdownItTocDoneRight);
+    .use(MarkdownItTocDoneRight)
 
   // FIXME A better way to generate blocks
-  md.renderer.rules.dumby_block_open = () => '<div>';
-  md.renderer.rules.dumby_block_close = () => '</div>';
+  md.renderer.rules.dumby_block_open = () => '<div>'
+  md.renderer.rules.dumby_block_close = () => '</div>'
 
   md.core.ruler.before('block', 'dumby_block', state => {
-    state.tokens.push(new state.Token('dumby_block_open', '', 1));
-  });
+    state.tokens.push(new state.Token('dumby_block_open', '', 1))
+  })
 
   // Add close tag for block with more than 2 empty lines
   md.block.ruler.before('table', 'dumby_block', (state, startLine) => {
@@ -56,39 +56,39 @@ export const markdown2HTML = (container, mdContent) => {
       state.src[state.bMarks[startLine - 2]] === '\n' &&
       state.tokens.at(-1).type !== 'list_item_open' // Quick hack for not adding tag after "::marker" for <li>
     ) {
-      state.push('dumby_block_close', '', -1);
-      state.push('dumby_block_open', '', 1);
+      state.push('dumby_block_close', '', -1)
+      state.push('dumby_block_open', '', 1)
     }
-  });
+  })
 
   md.core.ruler.after('block', 'dumby_block', state => {
-    state.tokens.push(new state.Token('dumby_block_close', '', -1));
-  });
+    state.tokens.push(new state.Token('dumby_block_close', '', -1))
+  })
 
-  const contentWithToc = '${toc}\n\n\n' + mdContent;
-  htmlHolder.innerHTML = md.render(contentWithToc);
+  const contentWithToc = '${toc}\n\n\n' + mdContent  // eslint-disable-line
+  htmlHolder.innerHTML = md.render(contentWithToc)
 
   // TODO Do this in markdown-it
-  const blocks = htmlHolder.querySelectorAll(':scope > div:not(:has(nav))');
+  const blocks = htmlHolder.querySelectorAll(':scope > div:not(:has(nav))')
   blocks.forEach(b => {
-    b.classList.add('dumby-block');
-    b.setAttribute('data-total', blocks.length);
-  });
+    b.classList.add('dumby-block')
+    b.setAttribute('data-total', blocks.length)
+  })
 
-  return container;
-  //}}}
-};
+  return container
+  // }}}
+}
 export const generateMaps = (container, { delay, mapCallback }) => {
-  container.classList.add('Dumby');
-  const htmlHolder = container.querySelector('.SemanticHtml') ?? container;
-  const blocks = Array.from(htmlHolder.querySelectorAll('.dumby-block'));
-  const showcase = document.createElement('div');
-  container.appendChild(showcase);
-  showcase.classList.add('Showcase');
-  const renderPromises = [];
-  const modalContent = document.createElement('div');
-  container.appendChild(modalContent);
-  const modal = new PlainModal(modalContent);
+  container.classList.add('Dumby')
+  const htmlHolder = container.querySelector('.SemanticHtml') ?? container
+  const blocks = Array.from(htmlHolder.querySelectorAll('.dumby-block'))
+  const showcase = document.createElement('div')
+  container.appendChild(showcase)
+  showcase.classList.add('Showcase')
+  const renderPromises = []
+  const modalContent = document.createElement('div')
+  container.appendChild(modalContent)
+  const modal = new PlainModal(modalContent)
 
   const dumbymap = {
     layouts,
@@ -102,50 +102,50 @@ export const generateMaps = (container, { delay, mapCallback }) => {
       ...utils,
       renderedMaps: () =>
         Array.from(
-          container.querySelectorAll('.mapclay[data-render=fulfilled]'),
+          container.querySelectorAll('.mapclay[data-render=fulfilled]')
         ),
       focusNextMap: throttle(utils.focusNextMap, utils.focusDelay),
-      switchToNextLayout: throttle(utils.switchToNextLayout, 300),
-    },
-  };
+      switchToNextLayout: throttle(utils.switchToNextLayout, 300)
+    }
+  }
   Object.entries(dumbymap.utils).forEach(([util, func]) => {
-    dumbymap.utils[util] = func.bind(dumbymap);
-  });
+    dumbymap.utils[util] = func.bind(dumbymap)
+  })
 
   // LeaderLine {{{
 
   Array.from(container.querySelectorAll(docLinkSelector)).filter(
-    utils.createDocLink,
-  );
+    utils.createDocLink
+  )
 
   // Get anchors with "geo:" scheme
-  htmlHolder.anchors = [];
+  htmlHolder.anchors = []
   const geoLinkCallback = link => {
-    link.onmouseover = () => addLeaderLines(link);
-    link.onmouseout = () => removeLeaderLines(link);
+    link.onmouseover = () => addLeaderLines(link)
+    link.onmouseout = () => removeLeaderLines(link)
     link.onclick = event => {
-      event.preventDefault();
+      event.preventDefault()
       htmlHolder.anchors
         .filter(isAnchorPointedBy(link))
-        .forEach(updateMapByMarker(link.xy));
+        .forEach(updateMapByMarker(link.xy))
       // TODO Just hide leader line and show it again
-      removeLeaderLines(link);
-    };
-  };
+      removeLeaderLines(link)
+    }
+  }
   const geoLinks = Array.from(
-    container.querySelectorAll(geoLinkSelector),
-  ).filter(l => utils.createGeoLink(l, geoLinkCallback));
+    container.querySelectorAll(geoLinkSelector)
+  ).filter(l => utils.createGeoLink(l, geoLinkCallback))
 
   const isAnchorPointedBy = link => anchor => {
-    const mapContainer = anchor.closest('.mapclay');
-    const isTarget = !link.targets || link.targets.includes(mapContainer.id);
-    return anchor.title === link.url.pathname && isTarget;
-  };
+    const mapContainer = anchor.closest('.mapclay')
+    const isTarget = !link.targets || link.targets.includes(mapContainer.id)
+    return anchor.title === link.url.pathname && isTarget
+  }
 
   const isAnchorVisible = anchor => {
-    const mapContainer = anchor.closest('.mapclay');
-    return insideWindow(anchor) && insideParent(anchor, mapContainer);
-  };
+    const mapContainer = anchor.closest('.mapclay')
+    return insideWindow(anchor) && insideParent(anchor, mapContainer)
+  }
 
   const drawLeaderLine = link => anchor => {
     const line = new LeaderLine({
@@ -153,223 +153,222 @@ export const generateMaps = (container, { delay, mapCallback }) => {
       end: anchor,
       hide: true,
       middleLabel: link.url.searchParams.get('text'),
-      path: 'magnet',
-    });
-    line.show('draw', { duration: 300 });
-    return line;
-  };
+      path: 'magnet'
+    })
+    line.show('draw', { duration: 300 })
+    return line
+  }
 
   const addLeaderLines = link => {
     link.lines = htmlHolder.anchors
       .filter(isAnchorPointedBy(link))
       .filter(isAnchorVisible)
-      .map(drawLeaderLine(link));
-  };
+      .map(drawLeaderLine(link))
+  }
 
   const removeLeaderLines = link => {
-    if (!link.lines) return;
-    link.lines.forEach(line => line.remove());
-    link.lines = [];
-  };
+    if (!link.lines) return
+    link.lines.forEach(line => line.remove())
+    link.lines = []
+  }
 
   const updateMapByMarker = xy => marker => {
-    const renderer = marker.closest('.mapclay')?.renderer;
-    renderer.updateCamera({ center: xy }, true);
-  };
+    const renderer = marker.closest('.mapclay')?.renderer
+    renderer.updateCamera({ center: xy }, true)
+  }
 
   const insideWindow = element => {
-    const rect = element.getBoundingClientRect();
+    const rect = element.getBoundingClientRect()
     return (
       rect.left > 0 &&
       rect.right < window.innerWidth + rect.width &&
       rect.top > 0 &&
       rect.bottom < window.innerHeight + rect.height
-    );
-  };
+    )
+  }
 
   const insideParent = (childElement, parentElement) => {
-    const childRect = childElement.getBoundingClientRect();
-    const parentRect = parentElement.getBoundingClientRect();
-    const offset = 20;
+    const childRect = childElement.getBoundingClientRect()
+    const parentRect = parentElement.getBoundingClientRect()
+    const offset = 20
 
     return (
       childRect.left > parentRect.left + offset &&
       childRect.right < parentRect.right - offset &&
       childRect.top > parentRect.top + offset &&
       childRect.bottom < parentRect.bottom - offset
-    );
-  };
-  //}}}
+    )
+  }
+  // }}}
   // CSS observer {{{
   // Focus Map {{{
   // Set focusArea
 
   const mapFocusObserver = () =>
-    new MutationObserver(mutations => {
-      const mutation = mutations.at(-1);
-      const target = mutation.target;
-      const focus = target.classList.contains('focus');
+    new window.MutationObserver(mutations => {
+      const mutation = mutations.at(-1)
+      const target = mutation.target
+      const focus = target.classList.contains('focus')
       const shouldBeInShowcase =
         focus &&
         showcase.checkVisibility({
           contentVisibilityAuto: true,
           opacityProperty: true,
-          visibilityProperty: true,
-        });
+          visibilityProperty: true
+        })
 
       if (focus) {
         dumbymap.utils
           .renderedMaps()
           .filter(map => map.id !== target.id)
-          .forEach(map => map.classList.remove('focus'));
+          .forEach(map => map.classList.remove('focus'))
       }
 
       if (shouldBeInShowcase) {
-        if (showcase.contains(target)) return;
+        if (showcase.contains(target)) return
 
         // Placeholder for map in Showcase, it should has the same DOMRect
-        const placeholder = target.cloneNode(true);
-        placeholder.removeAttribute('id');
-        placeholder.classList.remove('mapclay', 'focus');
-        target.parentElement.replaceChild(placeholder, target);
+        const placeholder = target.cloneNode(true)
+        placeholder.removeAttribute('id')
+        placeholder.classList.remove('mapclay', 'focus')
+        target.parentElement.replaceChild(placeholder, target)
 
         // FIXME Maybe use @start-style for CSS
         // Trigger CSS transition, if placeholde is the olny chil element in block,
         // reduce its height to zero.
         // To make sure the original height of placeholder is applied, DOM changes seems needed
         // then set data-attribute for CSS selector to change height to 0
-        placeholder.getBoundingClientRect();
-        placeholder.setAttribute('data-placeholder', target.id);
+        placeholder.getBoundingClientRect()
+        placeholder.setAttribute('data-placeholder', target.id)
 
         // To fit showcase, remove all inline style
-        target.removeAttribute('style');
-        showcase.appendChild(target);
+        target.removeAttribute('style')
+        showcase.appendChild(target)
 
         // Resume rect from Semantic HTML to Showcase, with animation
         animateRectTransition(target, placeholder.getBoundingClientRect(), {
           duration: 300,
-          resume: true,
-        });
+          resume: true
+        })
       } else if (showcase.contains(target)) {
         // Check placeholder is inside Semantic HTML
         const placeholder = htmlHolder.querySelector(
-          `[data-placeholder="${target.id}"]`,
-        );
-        if (!placeholder)
-          throw Error(`Cannot fine placeholder for map "${target.id}"`);
+          `[data-placeholder="${target.id}"]`
+        )
+        if (!placeholder) { throw Error(`Cannot fine placeholder for map "${target.id}"`) }
 
         // Consider animation may fail, write callback
         const afterAnimation = () => {
-          placeholder.parentElement.replaceChild(target, placeholder);
-          target.style = placeholder.style.cssText;
-          placeholder.remove();
-        };
+          placeholder.parentElement.replaceChild(target, placeholder)
+          target.style = placeholder.style.cssText
+          placeholder.remove()
+        }
 
         // animation from Showcase to placeholder
         animateRectTransition(target, placeholder.getBoundingClientRect(), {
-          duration: 300,
-        }).finished.finally(afterAnimation);
+          duration: 300
+        }).finished.finally(afterAnimation)
       }
-    });
+    })
   // }}}
   // Layout {{{
   // press key to switch layout
 
   // observe layout change
-  const layoutObserver = new MutationObserver(mutations => {
-    const mutation = mutations.at(-1);
-    const oldLayout = mutation.oldValue;
-    const newLayout = container.getAttribute(mutation.attributeName);
+  const layoutObserver = new window.MutationObserver(mutations => {
+    const mutation = mutations.at(-1)
+    const oldLayout = mutation.oldValue
+    const newLayout = container.getAttribute(mutation.attributeName)
 
     // Apply handler for leaving/entering layouts
     if (oldLayout) {
       layouts
         .find(l => l.name === oldLayout)
-        ?.leaveHandler?.call(this, dumbymap);
+        ?.leaveHandler?.call(this, dumbymap)
     }
 
     Object.values(dumbymap)
       .flat()
-      .filter(ele => ele instanceof HTMLElement)
-      .forEach(ele => ele.removeAttribute('style'));
+      .filter(ele => ele instanceof window.HTMLElement)
+      .forEach(ele => ele.removeAttribute('style'))
 
     if (newLayout) {
       layouts
         .find(l => l.name === newLayout)
-        ?.enterHandler?.call(this, dumbymap);
+        ?.enterHandler?.call(this, dumbymap)
     }
 
     // Since layout change may show/hide showcase, the current focused map may need to go into/outside showcase
     // Reset attribute triggers MutationObserver which is observing it
     const focusMap =
       container.querySelector('.mapclay.focus') ??
-      container.querySelector('.mapclay');
-    focusMap?.classList?.add('focus');
-  });
+      container.querySelector('.mapclay')
+    focusMap?.classList?.add('focus')
+  })
   layoutObserver.observe(container, {
     attributes: true,
     attributeFilter: ['data-layout'],
     attributeOldValue: true,
-    characterDataOldValue: true,
-  });
+    characterDataOldValue: true
+  })
 
-  onRemove(htmlHolder, () => layoutObserver.disconnect());
-  //}}}
-  //}}}
+  onRemove(htmlHolder, () => layoutObserver.disconnect())
+  // }}}
+  // }}}
   // Render Maps {{{
 
   const afterMapRendered = renderer => {
-    const mapElement = renderer.target;
-    //FIXME
-    mapElement.renderer = renderer;
-    mapElement.setAttribute('tabindex', '-1');
+    const mapElement = renderer.target
+    // FIXME
+    mapElement.renderer = renderer
+    mapElement.setAttribute('tabindex', '-1')
     if (mapElement.getAttribute('data-render') === 'fulfilled') {
-      mapCache[mapElement.id] = renderer;
+      mapCache[mapElement.id] = renderer
     }
 
     // Execute callback from caller
-    mapCallback?.call(this, mapElement);
+    mapCallback?.call(this, mapElement)
     const markers = geoLinks
       .filter(link => !link.targets || link.targets.includes(mapElement.id))
-      .map(link => ({ xy: link.xy, title: link.url.pathname }));
+      .map(link => ({ xy: link.xy, title: link.url.pathname }))
 
     // Add markers with Geolinks
-    renderer.addMarkers(markers);
+    renderer.addMarkers(markers)
     mapElement
       .querySelectorAll('.marker')
-      .forEach(marker => htmlHolder.anchors.push(marker));
+      .forEach(marker => htmlHolder.anchors.push(marker))
 
     // Work with Mutation Observer
-    const observer = mapFocusObserver();
+    const observer = mapFocusObserver()
     mapFocusObserver().observe(mapElement, {
       attributes: true,
       attributeFilter: ['class'],
-      attributeOldValue: true,
-    });
-    onRemove(mapElement, () => observer.disconnect());
-  };
+      attributeOldValue: true
+    })
+    onRemove(mapElement, () => observer.disconnect())
+  }
 
   // Set unique ID for map container
-  const mapIdList = [];
+  const mapIdList = []
   const assignMapId = config => {
-    let mapId = config.id;
+    let mapId = config.id
     if (!mapId) {
-      mapId = config.use?.split('/')?.at(-1);
-      let counter = 1;
+      mapId = config.use?.split('/')?.at(-1)
+      let counter = 1
       while (!mapId || mapIdList.includes(mapId)) {
-        mapId = `${config.use ?? 'unnamed'}-${counter}`;
-        counter++;
+        mapId = `${config.use ?? 'unnamed'}-${counter}`
+        counter++
       }
-      config.id = mapId;
+      config.id = mapId
     }
-    mapIdList.push(mapId);
-    return config;
-  };
+    mapIdList.push(mapId)
+    return config
+  }
 
   // Render each code block with "language-map" class
   const elementsWithMapConfig = Array.from(
-    container.querySelectorAll('pre:has(.language-map)') ?? [],
-  );
+    container.querySelectorAll('pre:has(.language-map)') ?? []
+  )
   /**
    * updateAttributeByStep.
    *
@@ -377,21 +376,21 @@ export const generateMaps = (container, { delay, mapCallback }) => {
    */
   const updateAttributeByStep = ({ results, target, steps }) => {
     let passNum = results.filter(
-      r => r.type === 'render' && r.state.match(/success|skip/),
-    ).length;
-    const total = steps.length;
-    passNum += `/${total}`;
+      r => r.type === 'render' && r.state.match(/success|skip/)
+    ).length
+    const total = steps.length
+    passNum += `/${total}`
     if (results.filter(r => r.type === 'render').length === total) {
-      passNum += '\u0020';
+      passNum += '\u0020'
     }
 
     // FIXME HACK use MutationObserver for animation
-    if (!target.animations) target.animations = Promise.resolve();
+    if (!target.animations) target.animations = Promise.resolve()
     target.animations = target.animations.then(async () => {
-      await new Promise(resolve => setTimeout(resolve, 100));
-      target.setAttribute('data-report', passNum);
-    });
-  };
+      await new Promise(resolve => setTimeout(resolve, 100))
+      target.setAttribute('data-report', passNum)
+    })
+  }
   /**
    * config converter for mapclay.renderWith()
    *
@@ -404,42 +403,42 @@ export const generateMaps = (container, { delay, mapCallback }) => {
     ...config,
     aliases: {
       ...defaultAliases,
-      ...(config.aliases ?? {}),
+      ...(config.aliases ?? {})
     },
-    stepCallback: updateAttributeByStep,
-  });
-  const render = renderWith(configConverter);
+    stepCallback: updateAttributeByStep
+  })
+  const render = renderWith(configConverter)
   elementsWithMapConfig.forEach(target => {
     // Get text in code block starts with markdown text '```map'
     const configText = target
       .querySelector('.language-map')
       .textContent // BE CAREFUL!!! 0xa0 char is "non-breaking spaces" in HTML text content
       // replace it by normal space
-      .replace(/\u00A0/g, '\u0020');
+      .replace(/\u00A0/g, '\u0020')
 
-    let configList = [];
+    let configList = []
     try {
-      configList = parseConfigsFromYaml(configText).map(assignMapId);
+      configList = parseConfigsFromYaml(configText).map(assignMapId)
     } catch (_) {
-      console.warn('Fail to parse yaml config for element', target);
-      return;
+      console.warn('Fail to parse yaml config for element', target)
+      return
     }
 
     // If map in cache has the same ID, just put it into target
     // So user won't feel anything changes when editing markdown
     configList.forEach(config => {
-      const cache = mapCache[config.id];
-      if (!cache) return;
+      const cache = mapCache[config.id]
+      if (!cache) return
 
-      target.appendChild(cache.target);
-      config.target = cache.target;
-    });
+      target.appendChild(cache.target)
+      config.target = cache.target
+    })
 
     // trivial: if map cache is applied, do not show yaml text
     if (target.querySelector('.mapclay')) {
       target
         .querySelectorAll(':scope > :not([data-render=fulfilled])')
-        .forEach(e => e.remove());
+        .forEach(e => e.remove())
     }
 
     // TODO Use debounce of user input to decide rendering timing
@@ -447,76 +446,76 @@ export const generateMaps = (container, { delay, mapCallback }) => {
     const timer = setTimeout(
       () =>
         render(target, configList).forEach(renderPromise => {
-          renderPromises.push(renderPromise);
-          renderPromise.then(afterMapRendered);
+          renderPromises.push(renderPromise)
+          renderPromise.then(afterMapRendered)
         }),
-      delay ?? 1000,
-    );
+      delay ?? 1000
+    )
     onRemove(htmlHolder, () => {
-      clearTimeout(timer);
-    });
-  });
+      clearTimeout(timer)
+    })
+  })
   // }}}
   // Menu {{{
-  const menu = document.createElement('div');
-  menu.className = 'menu';
-  menu.style.display = 'none';
-  menu.onclick = () => (menu.style.display = 'none');
-  container.appendChild(menu);
+  const menu = document.createElement('div')
+  menu.className = 'menu'
+  menu.style.display = 'none'
+  menu.onclick = () => (menu.style.display = 'none')
+  container.appendChild(menu)
 
   // Menu Items
   container.oncontextmenu = e => {
-    menu.replaceChildren();
-    menu.style.display = 'block';
-    menu.style.cssText = `left: ${e.x - menu.offsetParent.offsetLeft + 10}px; top: ${e.y - menu.offsetParent.offsetTop + 5}px;`;
-    e.preventDefault();
+    menu.replaceChildren()
+    menu.style.display = 'block'
+    menu.style.cssText = `left: ${e.x - menu.offsetParent.offsetLeft + 10}px; top: ${e.y - menu.offsetParent.offsetTop + 5}px;`
+    e.preventDefault()
 
     // GeoLinks
-    const selection = document.getSelection();
+    const selection = document.getSelection()
     if (selection.type === 'Range') {
-      const range = selection.getRangeAt(0);
-      menu.appendChild(menuItem.addGeoLink(dumbymap, range));
+      const range = selection.getRangeAt(0)
+      menu.appendChild(menuItem.addGeoLink(dumbymap, range))
     }
 
     // Menu Items for map
-    const map = e.target.closest('.mapclay');
+    const map = e.target.closest('.mapclay')
     if (map?.renderer?.results) {
       // Focus or Print Map Results
-      menu.appendChild(menuItem.toggleMapFocus(map));
-      menu.appendChild(menuItem.renderResults(dumbymap, map));
+      menu.appendChild(menuItem.toggleMapFocus(map))
+      menu.appendChild(menuItem.renderResults(dumbymap, map))
     } else {
       // Toggle block focus
-      const block = e.target.closest('.dumby-block');
+      const block = e.target.closest('.dumby-block')
       if (block) {
-        menu.appendChild(menuItem.toggleBlockFocus(block));
+        menu.appendChild(menuItem.toggleBlockFocus(block))
       }
     }
 
     // Menu Items for map/block/layout
     if (!map || map.closest('.Showcase')) {
-      menu.appendChild(menuItem.pickMapItem(dumbymap));
-      menu.appendChild(menuItem.pickBlockItem(dumbymap));
-      menu.appendChild(menuItem.pickLayoutItem(dumbymap));
+      menu.appendChild(menuItem.pickMapItem(dumbymap))
+      menu.appendChild(menuItem.pickBlockItem(dumbymap))
+      menu.appendChild(menuItem.pickLayoutItem(dumbymap))
     }
-  };
+  }
 
   // Remove menu when click outside
   const actionOutsideMenu = e => {
-    if (menu.style.display === 'none') return;
-    const rect = menu.getBoundingClientRect();
+    if (menu.style.display === 'none') return
+    const rect = menu.getBoundingClientRect()
     if (
       e.clientX < rect.left ||
       e.clientX > rect.left + rect.width ||
       e.clientY < rect.top ||
       e.clientY > rect.top + rect.height
     ) {
-      menu.style.display = 'none';
+      menu.style.display = 'none'
     }
-  };
-  document.addEventListener('click', actionOutsideMenu);
+  }
+  document.addEventListener('click', actionOutsideMenu)
   onRemove(htmlHolder, () =>
-    document.removeEventListener('click', actionOutsideMenu),
-  );
-  //}}}
-  return Object.seal(dumbymap);
-};
+    document.removeEventListener('click', actionOutsideMenu)
+  )
+  // }}}
+  return Object.seal(dumbymap)
+}
diff --git a/src/editor.mjs b/src/editor.mjs
index 6f529ed..4c50e79 100644
--- a/src/editor.mjs
+++ b/src/editor.mjs
@@ -1,44 +1,44 @@
-/*global EasyMDE*/
-/*eslint no-undef: "error"*/
-import { markdown2HTML, generateMaps } from './dumbymap';
-import { defaultAliases, parseConfigsFromYaml } from 'mapclay';
-import * as menuItem from './MenuItem';
+/* global EasyMDE */
+/* eslint no-undef: "error" */
+import { markdown2HTML, generateMaps } from './dumbymap'
+import { defaultAliases, parseConfigsFromYaml } from 'mapclay'
+import * as menuItem from './MenuItem'
 
 // Set up Containers {{{
 
-const HtmlContainer = document.querySelector('.DumbyMap');
-const textArea = document.querySelector('.editor textarea');
-let dumbymap;
+const HtmlContainer = document.querySelector('.DumbyMap')
+const textArea = document.querySelector('.editor textarea')
+let dumbymap
 
-new MutationObserver(mutations => {
-  const mutation = mutations.at(-1);
-  const mode = mutation.target.getAttribute('data-mode');
-  const layout = HtmlContainer.getAttribute('data-layout');
+new window.MutationObserver(mutations => {
+  const mutation = mutations.at(-1)
+  const mode = mutation.target.getAttribute('data-mode')
+  const layout = HtmlContainer.getAttribute('data-layout')
   if (mode === 'editing' && layout !== 'normal') {
-    HtmlContainer.setAttribute('data-layout', 'normal');
+    HtmlContainer.setAttribute('data-layout', 'normal')
   }
 }).observe(document.querySelector('[data-mode]'), {
   attributes: true,
   attributeFilter: ['data-mode'],
-  attributeOldValue: true,
-});
+  attributeOldValue: true
+})
 const toggleEditing = () => {
-  const mode = document.body.getAttribute('data-mode');
-  document.body.setAttribute('data-mode', mode === 'editing' ? '' : 'editing');
-};
+  const mode = document.body.getAttribute('data-mode')
+  document.body.setAttribute('data-mode', mode === 'editing' ? '' : 'editing')
+}
 // }}}
 // Set up EasyMDE {{{
 
 // Content values for editor
 
 const defaultContent =
-  '## Links\n\n- [Go to marker](geo:24,121?id=foo,leaflet&text=normal "Link Test")\n\n```map\nid: foo\nuse: Maplibre\n```\n';
+  '## Links\n\n- [Go to marker](geo:24,121?id=foo,leaflet&text=normal "Link Test")\n\n```map\nid: foo\nuse: Maplibre\n```\n'
 const editor = new EasyMDE({
   element: textArea,
   initialValue: defaultContent,
   autosave: {
     enabled: true,
-    uniqueId: 'dumbymap',
+    uniqueId: 'dumbymap'
   },
   indentWithTabs: false,
   lineNumbers: true,
@@ -51,105 +51,105 @@ const editor = new EasyMDE({
     map: 'Ctrl-Alt-M',
     debug: 'Ctrl-Alt-D',
     toggleUnorderedList: null,
-    toggleOrderedList: null,
+    toggleOrderedList: null
   },
   toolbar: [
     {
       name: 'map',
       title: 'Toggle Map Generation',
       text: '🌏',
-      action: () => toggleEditing(),
+      action: () => toggleEditing()
     },
     {
       name: 'debug',
       title: 'Save content as URL',
       text: '🤔',
       action: () => {
-        const state = { content: editor.value() };
-        window.location.hash = encodeURIComponent(JSON.stringify(state));
-        navigator.clipboard.writeText(window.location.href);
-        alert('URL copied to clipboard');
-      },
+        const state = { content: editor.value() }
+        window.location.hash = encodeURIComponent(JSON.stringify(state))
+        navigator.clipboard.writeText(window.location.href)
+        window.alert('URL copied to clipboard')
+      }
     },
     {
       name: 'undo',
       title: 'Undo last editing',
       text: '\u27F2',
-      action: EasyMDE.undo,
+      action: EasyMDE.undo
     },
     {
       name: 'redo',
       text: '\u27F3',
       title: 'Redo editing',
-      action: EasyMDE.redo,
+      action: EasyMDE.redo
     },
     '|',
     {
       name: 'heading-1',
       text: 'H1',
       title: 'Big Heading',
-      action: EasyMDE['heading-1'],
+      action: EasyMDE['heading-1']
     },
     {
       name: 'heading-2',
       text: 'H2',
       title: 'Medium Heading',
-      action: EasyMDE['heading-2'],
+      action: EasyMDE['heading-2']
     },
     '|',
     {
       name: 'link',
       text: '\u{1F517}',
       title: 'Create Link',
-      action: EasyMDE.drawLink,
+      action: EasyMDE.drawLink
     },
     {
       name: 'image',
       text: '\u{1F5BC}',
       title: 'Create Image',
-      action: EasyMDE.drawImage,
+      action: EasyMDE.drawImage
     },
     '|',
     {
       name: 'Bold',
       text: '\u{1D401}',
       title: 'Bold',
-      action: EasyMDE.toggleBold,
+      action: EasyMDE.toggleBold
     },
     {
       name: 'Italic',
       text: '\u{1D43C}',
       title: 'Italic',
-      action: EasyMDE.toggleItalic,
-    },
-  ],
-});
+      action: EasyMDE.toggleItalic
+    }
+  ]
+})
 
-const cm = editor.codemirror;
+const cm = editor.codemirror
 
 const getStateFromHash = hash => {
-  const hashValue = hash.substring(1);
-  const stateString = decodeURIComponent(hashValue);
+  const hashValue = hash.substring(1)
+  const stateString = decodeURIComponent(hashValue)
   try {
-    return JSON.parse(stateString) ?? {};
+    return JSON.parse(stateString) ?? {}
   } catch (_) {
-    return {};
+    return {}
   }
-};
+}
 
 const getContentFromHash = hash => {
-  const state = getStateFromHash(hash);
-  return state.content;
-};
+  const state = getStateFromHash(hash)
+  return state.content
+}
 
-const initialState = getStateFromHash(window.location.hash);
-window.location.hash = '';
-const contentFromHash = initialState.content;
+const initialState = getStateFromHash(window.location.hash)
+window.location.hash = ''
+const contentFromHash = initialState.content
 
 // Seems like autosave would overwrite initialValue, set content from hash here
 if (contentFromHash) {
-  editor.cleanup();
-  editor.value(contentFromHash);
+  editor.cleanup()
+  editor.value(contentFromHash)
 }
 // }}}
 // Set up logic about editor content {{{
@@ -159,30 +159,30 @@ const afterMapRendered = _ => {
   //   const lonLat = mapHolder.renderer.unproject([event.x, event.y])
   //   // TODO...
   // }
-};
-markdown2HTML(HtmlContainer, editor.value());
-dumbymap = generateMaps(HtmlContainer, afterMapRendered);
+}
+markdown2HTML(HtmlContainer, editor.value())
+dumbymap = generateMaps(HtmlContainer, afterMapRendered)
 
 // Quick hack to style lines inside code block
 const addClassToCodeLines = () => {
-  const lines = cm.getLineHandle(0).parent.lines;
-  let insideCodeBlock = false;
+  const lines = cm.getLineHandle(0).parent.lines
+  let insideCodeBlock = false
   lines.forEach((line, index) => {
     if (line.text.match(/^[\u0060]{3}/)) {
-      insideCodeBlock = !insideCodeBlock;
+      insideCodeBlock = !insideCodeBlock
     } else if (insideCodeBlock) {
-      cm.addLineClass(index, 'text', 'inside-code-block');
+      cm.addLineClass(index, 'text', 'inside-code-block')
     } else {
-      cm.removeLineClass(index, 'text', 'inside-code-block');
+      cm.removeLineClass(index, 'text', 'inside-code-block')
     }
-  });
-};
-addClassToCodeLines();
+  })
+}
+addClassToCodeLines()
 
 const completeForCodeBlock = change => {
-  const line = change.to.line;
+  const line = change.to.line
   if (change.origin === '+input') {
-    const text = change.text[0];
+    const text = change.text[0]
 
     // Completion for YAML doc separator
     if (
@@ -190,21 +190,21 @@ const completeForCodeBlock = change => {
       change.to.ch === 0 &&
       insideCodeblockForMap(cm.getCursor())
     ) {
-      cm.setSelection({ line: line, ch: 0 }, { line: line, ch: 1 });
-      cm.replaceSelection(text.repeat(3) + '\n');
+      cm.setSelection({ line, ch: 0 }, { line, ch: 1 })
+      cm.replaceSelection(text.repeat(3) + '\n')
     }
 
     // Completion for Code fence
     if (text === '`' && change.to.ch === 0) {
-      cm.setSelection({ line: line, ch: 0 }, { line: line, ch: 1 });
-      cm.replaceSelection(text.repeat(3));
+      cm.setSelection({ line, ch: 0 }, { line, ch: 1 })
+      cm.replaceSelection(text.repeat(3))
       const numberOfFences = cm
         .getValue()
         .split('\n')
-        .filter(line => line.match(/[\u0060]{3}/)).length;
+        .filter(line => line.match(/[\u0060]{3}/)).length
       if (numberOfFences % 2 === 1) {
-        cm.replaceSelection('map\n\n```');
-        cm.setCursor({ line: line + 1 });
+        cm.replaceSelection('map\n\n```')
+        cm.setCursor({ line: line + 1 })
       }
     }
   }
@@ -212,63 +212,64 @@ const completeForCodeBlock = change => {
   // For YAML doc separator, <hr> and code fence
   // Auto delete to start of line
   if (change.origin === '+delete') {
-    const match = change.removed[0].match(/^[-\u0060]$/)?.at(0);
+    const match = change.removed[0].match(/^[-\u0060]$/)?.at(0)
     if (match && cm.getLine(line) === match.repeat(2) && match) {
-      cm.setSelection({ line: line, ch: 0 }, { line: line, ch: 2 });
-      cm.replaceSelection('');
+      cm.setSelection({ line, ch: 0 }, { line, ch: 2 })
+      cm.replaceSelection('')
     }
   }
-};
-
-const debounceForMap = (() => {
-  let timer = null;
+}
 
-  return function (...args) {
-    dumbymap = generateMaps.apply(this, args);
-    // clearTimeout(timer);
-    // timer = setTimeout(() => {
-    //   dumbymap = generateMaps.apply(this, args)
-    // }, 10);
-  };
-})();
+/* Disable debounce temporarily */
+// const debounceForMap = (() => {
+//   const timer = null
+//
+//   return function (...args) {
+//     dumbymap = generateMaps.apply(this, args)
+// clearTimeout(timer);
+// timer = setTimeout(() => {
+//   dumbymap = generateMaps.apply(this, args)
+// }, 10);
+//   }
+// })()
 
 const updateDumbyMap = () => {
-  markdown2HTML(HtmlContainer, editor.value());
+  markdown2HTML(HtmlContainer, editor.value())
   // TODO Test if generate maps intantly is OK with map cache
   // debounceForMap(HtmlContainer, afterMapRendered)
-  dumbymap = generateMaps(HtmlContainer, afterMapRendered);
-};
+  dumbymap = generateMaps(HtmlContainer, afterMapRendered)
+}
 
-updateDumbyMap();
+updateDumbyMap()
 
 // Re-render HTML by editor content
 cm.on('change', (_, change) => {
-  updateDumbyMap();
-  addClassToCodeLines();
-  completeForCodeBlock(change);
-});
+  updateDumbyMap()
+  addClassToCodeLines()
+  completeForCodeBlock(change)
+})
 
 // Set class for focus
 cm.on('focus', () => {
-  cm.getWrapperElement().classList.add('focus');
-  HtmlContainer.classList.remove('focus');
-});
+  cm.getWrapperElement().classList.add('focus')
+  HtmlContainer.classList.remove('focus')
+})
 
 cm.on('beforeChange', (_, change) => {
-  const line = change.to.line;
+  const line = change.to.line
   // Don't allow more content after YAML doc separator
   if (change.origin.match(/^(\+input|paste)$/)) {
     if (cm.getLine(line) === '---' && change.text[0] !== '') {
-      change.cancel();
+      change.cancel()
     }
   }
-});
+})
 
 // Reload editor content by hash value
 window.onhashchange = () => {
-  const content = getContentFromHash(window.location.hash);
-  if (content) editor.value(content);
-};
+  const content = getContentFromHash(window.location.hash)
+  if (content) editor.value(content)
+}
 
 // FIXME DEBUGONLY
 // generateMaps(HtmlContainer)
@@ -279,159 +280,159 @@ window.onhashchange = () => {
 // }}}
 // Completion in Code Blok {{{
 // Elements about suggestions {{{
-const menu = document.createElement('div');
-menu.className = 'menu editor-menu';
-menu.style.display = 'none';
-menu.onclick = () => (menu.style.display = 'none');
-new MutationObserver(() => {
+const menu = document.createElement('div')
+menu.className = 'menu editor-menu'
+menu.style.display = 'none'
+menu.onclick = () => (menu.style.display = 'none')
+new window.MutationObserver(() => {
   if (menu.style.display === 'none') {
-    menu.replaceChildren();
+    menu.replaceChildren()
   }
 }).observe(menu, {
   attributes: true,
-  attributeFilter: ['style'],
-});
-document.body.append(menu);
+  attributeFilter: ['style']
+})
+document.body.append(menu)
 
-const rendererOptions = {};
+const rendererOptions = {}
 
 // }}}
 // Aliases for map options {{{
-const aliasesForMapOptions = {};
-const defaultApply = './dist/default.yml';
+const aliasesForMapOptions = {}
+const defaultApply = './dist/default.yml'
 fetch(defaultApply)
   .then(res => res.text())
   .then(rawText => {
-    const config = parseConfigsFromYaml(rawText)?.at(0);
-    Object.assign(aliasesForMapOptions, config.aliases ?? {});
+    const config = parseConfigsFromYaml(rawText)?.at(0)
+    Object.assign(aliasesForMapOptions, config.aliases ?? {})
   })
-  .catch(err => console.warn(`Fail to get aliases from ${defaultApply}`, err));
+  .catch(err => console.warn(`Fail to get aliases from ${defaultApply}`, err))
 // }}}
 //  FUNCTION: Check if current token is inside code block {{{
 const insideCodeblockForMap = anchor => {
-  const token = cm.getTokenAt(anchor);
+  const token = cm.getTokenAt(anchor)
   const insideCodeBlock =
     token.state.overlay.codeBlock &&
-    !cm.getLine(anchor.line).match(/^[\u0060]{3}/);
-  if (!insideCodeBlock) return false;
+    !cm.getLine(anchor.line).match(/^[\u0060]{3}/)
+  if (!insideCodeBlock) return false
 
-  let line = anchor.line - 1;
+  let line = anchor.line - 1
   while (line >= 0) {
-    const content = cm.getLine(line);
+    const content = cm.getLine(line)
     if (content === '```map') {
-      return true;
+      return true
     } else if (content === '```') {
-      return false;
+      return false
     }
-    line = line - 1;
+    line = line - 1
   }
-  return false;
-};
+  return false
+}
 // }}}
 // FUNCTION: Get Renderer by cursor position in code block {{{
 const getLineWithRenderer = anchor => {
-  const currentLine = anchor.line;
-  if (!cm.getLine) return null;
+  const currentLine = anchor.line
+  if (!cm.getLine) return null
 
-  const match = line => cm.getLine(line).match(/^use: /);
+  const match = line => cm.getLine(line).match(/^use: /)
 
-  if (match(currentLine)) return currentLine;
+  if (match(currentLine)) return currentLine
 
   // Look backward/forward for pattern of used renderer: /use: .+/
-  let pl = currentLine - 1;
+  let pl = currentLine - 1
   while (pl > 0 && insideCodeblockForMap(anchor)) {
-    const text = cm.getLine(pl);
+    const text = cm.getLine(pl)
     if (match(pl)) {
-      return pl;
+      return pl
     } else if (text.match(/^---|^[\u0060]{3}/)) {
-      break;
+      break
     }
-    pl = pl - 1;
+    pl = pl - 1
   }
 
-  let nl = currentLine + 1;
+  let nl = currentLine + 1
   while (insideCodeblockForMap(anchor)) {
-    const text = cm.getLine(nl);
+    const text = cm.getLine(nl)
     if (match(nl)) {
-      return nl;
+      return nl
     } else if (text.match(/^---|^[\u0060]{3}/)) {
-      return null;
+      return null
     }
-    nl = nl + 1;
+    nl = nl + 1
   }
 
-  return null;
-};
+  return null
+}
 // }}}
 // FUNCTION: Return suggestions for valid options {{{
 const getSuggestionsForOptions = (optionTyped, validOptions) => {
-  let suggestOptions = [];
+  let suggestOptions = []
 
   const matchedOptions = validOptions.filter(o =>
-    o.valueOf().toLowerCase().includes(optionTyped.toLowerCase()),
-  );
+    o.valueOf().toLowerCase().includes(optionTyped.toLowerCase())
+  )
 
   if (matchedOptions.length > 0) {
-    suggestOptions = matchedOptions;
+    suggestOptions = matchedOptions
   } else {
-    suggestOptions = validOptions;
+    suggestOptions = validOptions
   }
 
   return suggestOptions.map(
     o =>
       new menuItem.Suggestion({
         text: `<span>${o.valueOf()}</span><span class='info' title="${o.desc ?? ''}">ⓘ</span>`,
-        replace: `${o.valueOf()}: `,
-      }),
-  );
-};
+        replace: `${o.valueOf()}: `
+      })
+  )
+}
 // }}}
 // FUNCTION: Return suggestion for example of option value {{{
 const getSuggestionFromMapOption = option => {
-  if (!option.example) return null;
+  if (!option.example) return null
 
   const text = option.example_desc
     ? `<span>${option.example_desc}</span><span class="truncate"style="color: gray">${option.example}</span>`
-    : `<span>${option.example}</span>`;
+    : `<span>${option.example}</span>`
 
   return new menuItem.Suggestion({
-    text: text,
-    replace: `${option.valueOf()}: ${option.example ?? ''}`,
-  });
-};
+    text,
+    replace: `${option.valueOf()}: ${option.example ?? ''}`
+  })
+}
 // }}}
 // FUNCTION: Return suggestions from aliases {{{
 const getSuggestionsFromAliases = option =>
   Object.entries(aliasesForMapOptions[option.valueOf()] ?? {})?.map(record => {
-    const [alias, value] = record;
-    const valueString = JSON.stringify(value).replaceAll('"', '');
+    const [alias, value] = record
+    const valueString = JSON.stringify(value).replaceAll('"', '')
     return new menuItem.Suggestion({
       text: `<span>${alias}</span><span class="truncate" style="color: gray">${valueString}</span>`,
-      replace: `${option.valueOf()}: ${valueString}`,
-    });
-  }) ?? [];
+      replace: `${option.valueOf()}: ${valueString}`
+    })
+  }) ?? []
 // }}}
 // FUCNTION: Handler for map codeblock {{{
 const handleTypingInCodeBlock = anchor => {
-  const text = cm.getLine(anchor.line);
+  const text = cm.getLine(anchor.line)
   if (text.match(/^\s\+$/) && text.length % 2 !== 0) {
     // TODO Completion for even number of spaces
   } else if (text.match(/^-/)) {
     // TODO Completion for YAML doc separator
   } else {
-    const suggestions = getSuggestions(anchor);
-    addSuggestions(anchor, suggestions);
+    const suggestions = getSuggestions(anchor)
+    addSuggestions(anchor, suggestions)
   }
-};
+}
 // }}}
 // FUNCTION: get suggestions by current input {{{
 const getSuggestions = anchor => {
-  const text = cm.getLine(anchor.line);
+  const text = cm.getLine(anchor.line)
 
   // Clear marks on text
   cm.findMarks({ ...anchor, ch: 0 }, { ...anchor, ch: text.length }).forEach(
-    m => m.clear(),
-  );
+    m => m.clear()
+  )
 
   // Mark user input invalid by case
   const markInputIsInvalid = () =>
@@ -440,231 +441,230 @@ const getSuggestions = anchor => {
       .markText(
         { ...anchor, ch: 0 },
         { ...anchor, ch: text.length },
-        { className: 'invalid-input' },
-      );
+        { className: 'invalid-input' }
+      )
 
   // Check if "use: <renderer>" is set
-  const lineWithRenderer = getLineWithRenderer(anchor);
+  const lineWithRenderer = getLineWithRenderer(anchor)
   const renderer = lineWithRenderer
     ? cm.getLine(lineWithRenderer).split(' ')[1]
-    : null;
+    : null
   if (renderer && anchor.line !== lineWithRenderer) {
     // Do not check properties
-    if (text.startsWith('  ')) return [];
+    if (text.startsWith('  ')) return []
 
     // If no valid options for current used renderer, go get it!
-    const validOptions = rendererOptions[renderer];
+    const validOptions = rendererOptions[renderer]
     if (!validOptions) {
       // Get list of valid options for current renderer
-      const rendererUrl = defaultAliases.use[renderer]?.value;
+      const rendererUrl = defaultAliases.use[renderer]?.value
       import(rendererUrl)
         .then(rendererModule => {
-          rendererOptions[renderer] = rendererModule.default.validOptions;
-          const currentAnchor = cm.getCursor();
+          rendererOptions[renderer] = rendererModule.default.validOptions
+          const currentAnchor = cm.getCursor()
           if (insideCodeblockForMap(currentAnchor)) {
-            handleTypingInCodeBlock(currentAnchor);
+            handleTypingInCodeBlock(currentAnchor)
           }
         })
         .catch(_ => {
-          markInputIsInvalid(lineWithRenderer);
+          markInputIsInvalid(lineWithRenderer)
           console.warn(
-            `Fail to get valid options from Renderer typed: ${renderer}`,
-          );
-        });
-      return [];
+            `Fail to get valid options from Renderer typed: ${renderer}`
+          )
+        })
+      return []
     }
 
     // If input is "key:value" (no space left after colon), then it is invalid
-    const isKeyFinished = text.includes(':');
-    const isValidKeyValue = text.match(/^[^:]+:\s+/);
+    const isKeyFinished = text.includes(':')
+    const isValidKeyValue = text.match(/^[^:]+:\s+/)
     if (isKeyFinished && !isValidKeyValue) {
-      markInputIsInvalid();
-      return [];
+      markInputIsInvalid()
+      return []
     }
 
     // If user is typing option
-    const keyTyped = text.split(':')[0].trim();
+    const keyTyped = text.split(':')[0].trim()
     if (!isKeyFinished) {
-      markInputIsInvalid();
-      return getSuggestionsForOptions(keyTyped, validOptions);
+      markInputIsInvalid()
+      return getSuggestionsForOptions(keyTyped, validOptions)
     }
 
     // If user is typing value
-    const matchedOption = validOptions.find(o => o.name === keyTyped);
+    const matchedOption = validOptions.find(o => o.name === keyTyped)
     if (isKeyFinished && !matchedOption) {
-      markInputIsInvalid();
+      markInputIsInvalid()
     }
 
     if (isKeyFinished && matchedOption) {
-      const valueTyped = text.substring(text.indexOf(':') + 1).trim();
-      const isValidValue = matchedOption.isValid(valueTyped);
+      const valueTyped = text.substring(text.indexOf(':') + 1).trim()
+      const isValidValue = matchedOption.isValid(valueTyped)
       if (!valueTyped) {
         return [
           getSuggestionFromMapOption(matchedOption),
-          ...getSuggestionsFromAliases(matchedOption),
-        ].filter(s => s instanceof menuItem.Suggestion);
+          ...getSuggestionsFromAliases(matchedOption)
+        ].filter(s => s instanceof menuItem.Suggestion)
       }
       if (valueTyped && !isValidValue) {
-        markInputIsInvalid();
-        return [];
+        markInputIsInvalid()
+        return []
       }
     }
   } else {
     // Suggestion for "use"
     const rendererSuggestions = Object.entries(defaultAliases.use)
       .filter(([renderer]) => {
-        const suggestion = `use: ${renderer}`;
-        const suggestionPattern = suggestion.replace(' ', '').toLowerCase();
-        const textPattern = text.replace(' ', '').toLowerCase();
-        return suggestion !== text && suggestionPattern.includes(textPattern);
+        const suggestion = `use: ${renderer}`
+        const suggestionPattern = suggestion.replace(' ', '').toLowerCase()
+        const textPattern = text.replace(' ', '').toLowerCase()
+        return suggestion !== text && suggestionPattern.includes(textPattern)
       })
       .map(
         ([renderer, info]) =>
           new menuItem.Suggestion({
             text: `<span>use: ${renderer}</span><span class='info' title="${info.desc}">ⓘ</span>`,
-            replace: `use: ${renderer}`,
-          }),
-      );
-    return rendererSuggestions.length > 0 ? rendererSuggestions : [];
+            replace: `use: ${renderer}`
+          })
+      )
+    return rendererSuggestions.length > 0 ? rendererSuggestions : []
   }
-  return [];
-};
+  return []
+}
 // }}}
 // {{{ FUNCTION: Show element about suggestions
 const addSuggestions = (anchor, suggestions) => {
   if (suggestions.length === 0) {
-    menu.style.display = 'none';
-    return;
+    menu.style.display = 'none'
+    return
   } else {
-    menu.style.display = 'block';
+    menu.style.display = 'block'
   }
 
-  menu.innerHTML = '';
+  menu.innerHTML = ''
   suggestions
     .map(s => s.createElement(cm))
-    .forEach(option => menu.appendChild(option));
-
-  const widgetAnchor = document.createElement('div');
-  cm.addWidget(anchor, widgetAnchor, true);
-  const rect = widgetAnchor.getBoundingClientRect();
-  menu.style.left = `calc(${rect.left}px + 2rem)`;
-  menu.style.top = `calc(${rect.bottom}px + 1rem)`;
-  menu.style.maxWidth = `calc(${window.innerWidth}px - ${rect.x}px - 3rem)`;
-  menu.style.display = 'block';
-};
+    .forEach(option => menu.appendChild(option))
+
+  const widgetAnchor = document.createElement('div')
+  cm.addWidget(anchor, widgetAnchor, true)
+  const rect = widgetAnchor.getBoundingClientRect()
+  menu.style.left = `calc(${rect.left}px + 2rem)`
+  menu.style.top = `calc(${rect.bottom}px + 1rem)`
+  menu.style.maxWidth = `calc(${window.innerWidth}px - ${rect.x}px - 3rem)`
+  menu.style.display = 'block'
+}
 // }}}
 // EVENT: Suggests for current selection {{{
 // FIXME Dont show suggestion when selecting multiple chars
 cm.on('cursorActivity', _ => {
-  menu.style.display = 'none';
-  const anchor = cm.getCursor();
+  menu.style.display = 'none'
+  const anchor = cm.getCursor()
 
   if (insideCodeblockForMap(anchor)) {
-    handleTypingInCodeBlock(anchor);
+    handleTypingInCodeBlock(anchor)
   }
-});
+})
 cm.on('blur', () => {
   if (menu.checkVisibility()) {
     cm.focus()
   } else {
-    cm.getWrapperElement().classList.remove('focus');
-    HtmlContainer.classList.add('focus');
+    cm.getWrapperElement().classList.remove('focus')
+    HtmlContainer.classList.add('focus')
   }
-});
+})
 // }}}
 // EVENT: keydown for suggestions {{{
-const keyForSuggestions = ['Tab', 'Enter', 'Escape'];
+const keyForSuggestions = ['Tab', 'Enter', 'Escape']
 cm.on('keydown', (_, e) => {
   if (
     !cm.hasFocus ||
     !keyForSuggestions.includes(e.key) ||
     menu.style.display === 'none'
-  )
-    return;
+  ) { return }
 
   // Directly add a newline when no suggestion is selected
-  const currentSuggestion = menu.querySelector('.container__suggestion.focus');
-  if (!currentSuggestion && e.key === 'Enter') return;
+  const currentSuggestion = menu.querySelector('.container__suggestion.focus')
+  if (!currentSuggestion && e.key === 'Enter') return
 
   // Override default behavior
-  e.preventDefault();
+  e.preventDefault()
 
   // Suggestion when pressing Tab or Shift + Tab
   const nextSuggestion =
     currentSuggestion?.nextSibling ??
-    menu.querySelector('.container__suggestion:first-child');
+    menu.querySelector('.container__suggestion:first-child')
   const previousSuggestion =
     currentSuggestion?.previousSibling ??
-    menu.querySelector('.container__suggestion:last-child');
-  const focusSuggestion = e.shiftKey ? previousSuggestion : nextSuggestion;
+    menu.querySelector('.container__suggestion:last-child')
+  const focusSuggestion = e.shiftKey ? previousSuggestion : nextSuggestion
 
   // Current editor selection state
   switch (e.key) {
     case 'Tab':
-      Array.from(menu.children).forEach(s => s.classList.remove('focus'));
-      focusSuggestion.classList.add('focus');
-      focusSuggestion.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
-      break;
+      Array.from(menu.children).forEach(s => s.classList.remove('focus'))
+      focusSuggestion.classList.add('focus')
+      focusSuggestion.scrollIntoView({ behavior: 'smooth', block: 'nearest' })
+      break
     case 'Enter':
-      currentSuggestion.onclick();
-      break;
+      currentSuggestion.onclick()
+      break
     case 'Escape':
-      if (!menu.checkVisibility()) break;
+      if (!menu.checkVisibility()) break
       // HACK delay menu display change for blur event, mark cm focus should keep
-      setTimeout(() => (menu.style.display = 'none'), 50);
-      break;
+      setTimeout(() => (menu.style.display = 'none'), 50)
+      break
   }
-});
+})
 
 document.onkeydown = e => {
   if (e.altKey && e.ctrlKey && e.key === 'm') {
-    toggleEditing();
-    e.preventDefault();
-    return null;
+    toggleEditing()
+    e.preventDefault()
+    return null
   }
 
   if (!cm.hasFocus()) {
     if (e.key === 'F1') {
-      e.preventDefault();
-      cm.focus();
+      e.preventDefault()
+      cm.focus()
     }
     if (e.key === 'Tab') {
-      e.preventDefault();
-      dumbymap.utils.focusNextMap(e.shiftKey);
+      e.preventDefault()
+      dumbymap.utils.focusNextMap(e.shiftKey)
     }
     if (e.key === 'x' || e.key === 'X') {
-      e.preventDefault();
-      dumbymap.utils.switchToNextLayout(e.shiftKey);
+      e.preventDefault()
+      dumbymap.utils.switchToNextLayout(e.shiftKey)
     }
     if (e.key === 'n') {
-      e.preventDefault();
-      dumbymap.utils.focusNextBlock();
+      e.preventDefault()
+      dumbymap.utils.focusNextBlock()
     }
     if (e.key === 'p') {
-      e.preventDefault();
-      dumbymap.utils.focusNextBlock(true);
+      e.preventDefault()
+      dumbymap.utils.focusNextBlock(true)
     }
     if (e.key === 'Escape') {
-      e.preventDefault();
-      dumbymap.utils.removeBlockFocus();
+      e.preventDefault()
+      dumbymap.utils.removeBlockFocus()
     }
   }
-};
+}
 
 // }}}
 // }}}
 // Layout Switch {{{
-new MutationObserver(mutaions => {
-  const mutation = mutaions.at(-1);
-  const layout = HtmlContainer.getAttribute('data-layout');
+new window.MutationObserver(mutaions => {
+  const mutation = mutaions.at(-1)
+  const layout = HtmlContainer.getAttribute('data-layout')
   if (layout !== 'normal' || mutation.oldValue === 'normal') {
-    document.body.setAttribute('data-mode', '');
+    document.body.setAttribute('data-mode', '')
   }
 }).observe(HtmlContainer, {
   attributes: true,
   attributeFilter: ['data-layout'],
-  attributeOldValue: true,
-});
+  attributeOldValue: true
+})
 // }}}
 
 // vim: sw=2 ts=2 foldmethod=marker foldmarker={{{,}}}
diff --git a/src/utils.mjs b/src/utils.mjs
index 3824672..d9ed2d7 100644
--- a/src/utils.mjs
+++ b/src/utils.mjs
@@ -5,21 +5,21 @@
  * @param {Function} callback
  */
 export const onRemove = (element, callback) => {
-  const parent = element.parentNode;
-  if (!parent) throw new Error('The node must already be attached');
+  const parent = element.parentNode
+  if (!parent) throw new Error('The node must already be attached')
 
-  const obs = new MutationObserver(mutations => {
+  const obs = new window.MutationObserver(mutations => {
     for (const mutation of mutations) {
       for (const el of mutation.removedNodes) {
         if (el === element) {
-          obs.disconnect();
-          callback();
+          obs.disconnect()
+          callback()
         }
       }
     }
-  });
-  obs.observe(parent, { childList: true });
-};
+  })
+  obs.observe(parent, { childList: true })
+}
 
 /**
  * Animate transition of DOMRect, with Web Animation API
@@ -32,39 +32,38 @@ export const onRemove = (element, callback) => {
  * @returns {Animation} https://developer.mozilla.org/en-US/docs/Web/API/Animation
  */
 export const animateRectTransition = (element, rect, options = {}) => {
-  if (!element.parentElement)
-    throw new Error('The node must already be attached');
+  if (!element.parentElement) { throw new Error('The node must already be attached') }
 
-  const { width: w1, height: h1, left: x1, top: y1 } = rect;
+  const { width: w1, height: h1, left: x1, top: y1 } = rect
   const {
     width: w2,
     height: h2,
     left: x2,
-    top: y2,
-  } = element.getBoundingClientRect();
+    top: y2
+  } = element.getBoundingClientRect()
 
-  const rw = (w1 ?? w2) / w2;
-  const rh = (h1 ?? h2) / h2;
-  const dx = x1 - x2;
-  const dy = y1 - y2;
+  const rw = (w1 ?? w2) / w2
+  const rh = (h1 ?? h2) / h2
+  const dx = x1 - x2
+  const dy = y1 - y2
 
   if ((dx === 0 && dy === 0) || !isFinite(rw) || !isFinite(rh)) {
-    return element.animate([], { duration: 0 });
+    return element.animate([], { duration: 0 })
   }
 
-  const transform1 = `translate(0, 0) scale(1, 1)`;
-  const transform2 = `translate(${dx}px, ${dy}px) scale(${rw}, ${rh})`;
+  const transform1 = 'translate(0, 0) scale(1, 1)'
+  const transform2 = `translate(${dx}px, ${dy}px) scale(${rw}, ${rh})`
   const keyframes = [
     { transform: transform1, opacity: 1 },
-    { transform: transform2, opacity: 0.3 },
-  ];
-  if (options.resume === true) keyframes.reverse();
+    { transform: transform2, opacity: 0.3 }
+  ]
+  if (options.resume === true) keyframes.reverse()
 
   return element.animate(keyframes, {
     duration: options.duration ?? 500,
-    easing: 'ease-in-out',
-  });
-};
+    easing: 'ease-in-out'
+  })
+}
 
 /**
  * Throttle for function call
@@ -73,18 +72,18 @@ export const animateRectTransition = (element, rect, options = {}) => {
  * @param {Number} delay milliseconds
  * @returns {Any} return value of function call, or null if throttled
  */
-export function throttle(func, delay) {
-  let timerFlag = null;
+export function throttle (func, delay) {
+  let timerFlag = null
 
   return function (...args) {
-    const context = this;
-    if (timerFlag !== null) return null;
+    const context = this
+    if (timerFlag !== null) return null
 
     timerFlag = setTimeout(
       () => (timerFlag = null),
-      typeof delay === 'function' ? delay.call(context) : delay,
-    );
+      typeof delay === 'function' ? delay.call(context) : delay
+    )
 
-    return func.call(context, ...args);
-  };
+    return func.call(context, ...args)
+  }
 }